We will see if the above actually works on the blog. But is is about a device that secures classrooms by barricading the doors. Yes, holing up where the invader knows someone must be, since it is blocked up. So just take the gun and shoot the door open like they do in the movies, blast it apart, and this whole defense is mute.
What am I not seeing correctly about this situation?
P.S. — Today is one of those quick fix low thought post days.